DAP-D4*4

Описание

1. Analog Input Channels: 4
2. Analog Output Channels: 4
3. Dante Input Channels: 4
4. Dante Output Channels: 4
5. Processor: ADI SHARC 21489@450 MHz SIMD
6. DSP Processing Capacity: 400 MIPS, 1.6 GFLOPS
7. Sampling Rate: 48 kHz, ± 100 ppm
8. THD+N: < -95dB @17dBu 9. Input Dynamic Range: 113dB 10. Output Dynamic Range: 113dB 11. Built-in 2-in-2-out USB sound card, supporting music playback, recording and soft video conferences (e.g.: ZOOM, Tencent Meeting, DingTalk Meeting, etc.) 12. 2-channel Independent AEC (Acoustic Echo Cancellation): Tail Time: 512ms, Convergence Rate: 60dB/S, Echo Cancellation Amplitude: 60dB 13. Independent Channel AFC (Acoustic Feedback Cancellation) with notch algorithm, Sound Transmission Gain Improvement: 10dB 14. ANS (Automatic Noise Suppression), SNR Improvement: 18dB 15. 8-band British Parametric EQ, providing 5 filter options: Parametric, Lowshelf, Highshelf, Lowpass, Highpass 16. Customizable operation interface for end users, supporting management of up to 30 devices on a single interface 17. Equipped with central control function, supporting RS232, RS485 and UDP control methods, enabling overall control of power supply, signal switching, environment control, audio, etc. in the system, and one-click activation of required system functions **Requirements** 1. A customizable user operation interface shall be provided 2. A built-in 2-in-2-out USB sound card is required, supporting recording & broadcasting and remote meetings 3. Support for PoE (Power over Ethernet) and DC12V dual power supply 4. The processor chip adopts ADI architecture with no less than 40-bit DSP floating-point operation engine 5. The number of analog input and output channels is not less than 4×4 6. The number of Dante input and output channels is not less than 4×4 7. Input and output quantization is not less than 48KHz/24bit **Input Channel Specifications** 1. Input gain with 6dB step, no less than 9 gears 2. No less than 8-band PEQ (Parametric Equalizer) and no less than five filter types 3. 2-channel adaptive AEC (Acoustic Echo Cancellation) and ANS (Automatic Noise Suppression) 4. No less than 8-point adaptive AFC (Acoustic Feedback Cancellation) for each channel **Output Channel Specifications** 1. No less than 8-band PEQ, frequency divider, time delayer, limiter 2. No less than 14×10 matrix 3. No less than 16 groups of presets 4. Support for LINK and grouping functions of input and output channels 5. Input Dynamic Range: no less than 113dB 6. Output Dynamic Range: no less than 113dB 7. Frequency response range of not less than 20～20kHz (±0.3dB) 8. THD+N: no less than -95dB @17dBu